判断上传文件类型

今天才发现判断文件类型的时候自己没有整理过这方面的东西，今天弄下：

acx   application/internet-property-stream

ai   application/postscript

aif   audio/x-aiff

aifc   audio/x-aiff

aiff   audio/x-aiff

asf   video/x-ms-asf

asr   video/x-ms-asf

asx   video/x-ms-asf

au   audio/basic

avi   video/x-msvideo

axs   application/olescript

bas   text/plain

bcpio   application/x-bcpio

bin   application/octet-stream

bmp   image/bmp

c   text/plain

cat   application/vnd.ms-pkiseccat

cdf   application/x-cdf

cer   application/x-x509-ca-cert

class   application/octet-stream

clp   application/x-msclip

cmx   image/x-cmx

cod   image/cis-cod

cpio   application/x-cpio

crd   application/x-mscardfile

crl   application/pkix-crl

crt   application/x-x509-ca-cert

csh   application/x-csh

css   text/css

dcr   application/x-director

der   application/x-x509-ca-cert

dir   application/x-director

dll   application/x-msdownload

dms   application/octet-stream

doc   application/msword

dot   application/msword

dvi   application/x-dvi

dxr   application/x-director

eps   application/postscript

etx   text/x-setext

evy   application/envoy

exe   application/octet-stream

fif   application/fractals

flr   x-world/x-vrml

gif   image/gif

gtar   application/x-gtar

gz   application/x-gzip

h   text/plain

hdf   application/x-hdf

hlp   application/winhlp

hqx   application/mac-binhex40

hta   application/hta

htc   text/x-component

htm   text/html

html   text/html

htt   text/webviewhtml

ico   image/x-icon

ief   image/ief

iii   application/x-iphone

ins   application/x-internet-signup

isp   application/x-internet-signup

jfif   image/pipeg

jpe   image/jpeg

jpeg   image/jpeg

jpg   image/jpeg

js   application/x-javascript

latex   application/x-latex

lha   application/octet-stream

lsf   video/x-la-asf

lsx   video/x-la-asf

lzh   application/octet-stream

m13   application/x-msmediaview

m14   application/x-msmediaview

m3u   audio/x-mpegurl

man   application/x-troff-man

mdb   application/x-msaccess

me   application/x-troff-me

mht   message/rfc822

mhtml   message/rfc822

mid   audio/mid

mny   application/x-msmoney

mov   video/quicktime

movie   video/x-sgi-movie

mp2   video/mpeg

mp3   audio/mpeg

mpa   video/mpeg

mpe   video/mpeg

mpeg   video/mpeg

mpg   video/mpeg

mpp   application/vnd.ms-project

mpv2   video/mpeg

ms   application/x-troff-ms

mvb   application/x-msmediaview

nws   message/rfc822

oda   application/oda

p10   application/pkcs10

p12   application/x-pkcs12

p7b   application/x-pkcs7-certificates

p7c   application/x-pkcs7-mime

p7m   application/x-pkcs7-mime

p7r   application/x-pkcs7-certreqresp

p7s   application/x-pkcs7-signature

pbm   image/x-portable-bitmap

pdf   application/pdf

pfx   application/x-pkcs12

pgm   image/x-portable-graymap

pko   application/ynd.ms-pkipko

pma   application/x-perfmon

pmc   application/x-perfmon

pml   application/x-perfmon

pmr   application/x-perfmon

pmw   application/x-perfmon

pnm   image/x-portable-anymap

pot,   application/vnd.ms-powerpoint

ppm   image/x-portable-pixmap

pps   application/vnd.ms-powerpoint

ppt   application/vnd.ms-powerpoint

prf   application/pics-rules

ps   application/postscript

pub   application/x-mspublisher

qt   video/quicktime

ra   audio/x-pn-realaudio

ram   audio/x-pn-realaudio

ras   image/x-cmu-raster

rgb   image/x-rgb

rmi   audio/mid

roff   application/x-troff

rtf   application/rtf

rtx   text/richtext

scd   application/x-msschedule

sct   text/scriptlet

setpay   application/set-payment-initiation

setreg   application/set-registration-initiation

sh   application/x-sh

shar   application/x-shar

sit   application/x-stuffit

snd   audio/basic

spc   application/x-pkcs7-certificates

spl   application/futuresplash

src   application/x-wais-source

sst   application/vnd.ms-pkicertstore

stl   application/vnd.ms-pkistl

stm   text/html

sv4cpio   application/x-sv4cpio

sv4crc   application/x-sv4crc

t   application/x-troff

tar   application/x-tar

tcl   application/x-tcl

tex   application/x-tex

texi   application/x-texinfo

texinfo   application/x-texinfo

tgz   application/x-compressed

tif   image/tiff

tiff   image/tiff

tr   application/x-troff

trm   application/x-msterminal

tsv   text/tab-separated-values

txt   text/plain

uls   text/iuls

ustar   application/x-ustar

vcf   text/x-vcard

vrml   x-world/x-vrml

wav   audio/x-wav

wcm   application/vnd.ms-works

wdb   application/vnd.ms-works

wks   application/vnd.ms-works

wmf   application/x-msmetafile

wps   application/vnd.ms-works

wri   application/x-mswrite

wrl   x-world/x-vrml

wrz   x-world/x-vrml

xaf   x-world/x-vrml

xbm   image/x-xbitmap

xla   application/vnd.ms-excel

xlc   application/vnd.ms-excel

xlm   application/vnd.ms-excel

xls   application/vnd.ms-excel

xlt   application/vnd.ms-excel

xlw   application/vnd.ms-excel

xof   x-world/x-vrml

xpm   image/x-xpixmap

xwd   image/x-xwindowdump

z   application/x-compress

zip   application/zip